Generate word-based passwords, inspired by XKCD/936.

Includes consideration for smart-phone keyboards, using space, period and comma as punctuation.

Unix based systems only, requires /usr/share/dict/words

Pat Beirne b370e41f39 remove extra file		hai 7 meses
pwgen	6145877086 add the RUST version	hai 8 meses
pwgen.py	86d1e66990 touchup on usage()	%!s(int64=8) %!d(string=hai) anos